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TI-2026-33050 Aliases CVE-2026-45243GHSA-5624-2pmv-jx46

Summarize < 0.15.1 Browser Extension Missing Authorization via Content Script

Priority LOW 23CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00195 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed summarize (steipete): 0.15.1@steipete/summarize (npm): 0.15.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
steipetesummarizebefore 0.15.10.15.1Patch availableCNA
—@steipete/summarize (npm)before 0.15.00.15.0Patch availableGHSA-5624-2pmv-jx46
  • summarize Vendorsteipete Affected before 0.15.1 Fixed in 0.15.1 Patch available CNA
  • @steipete/summarize (npm) Vendor— Affected before 0.15.0 Fixed in 0.15.0 Patch available GHSA-5624-2pmv-jx46

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:*before 0.15.1Vulnerablesteipete
  • cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:* Versions before 0.15.1 Vulnerable ·steipete

Remediation

  • Fix · CNA summarize (steipete) Fixed in 0.15.1
  • Fix · GHSA-5624-2pmv-jx46 @steipete/summarize (npm) Fixed in 0.15.0 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    steipete summarize 0.15.1

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-33049 Summarize < 0.15.1 Path Traversal via slidesDir ParameterPriority MEDIUM 64
    • TI-2026-33052 Summarize < 0.15.1 Unauthorized Daemon Request via Untrusted EventsPriority MEDIUM 54
    • TI-2026-33053 Summarize < 0.15.1 Insecure File Permissions Information DisclosurePriority LOW 29
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45243
  2. 2026-10-03 Alias added: GHSA-5624-2pmv-jx46

References

Exploit 1

Patch 1

Advisory 1

Other 3

  • TI-2026-33049 Summarize < 0.15.1 Path Traversal via slidesDir Parameter CVSS 4.0HIGH 7.1
  • TI-2026-33052 Summarize < 0.15.1 Unauthorized Daemon Request via Untrusted Events CVSS 4.0MEDIUM 4.6
  • TI-2026-33053 Summarize < 0.15.1 Insecure File Permissions Information Disclosure CVSS 4.0MEDIUM 6.8
  • TI-2026-33051 Summarize < 0.15.1 Unapproved Browser Automation Execution CVSS 4.0LOW 2.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences